978131domain: NAppears in sequencesFirst term of the first run of at least n consecutive numbers in A137292.at n=6A138662First term of the first run of at least n consecutive numbers in A137292.at n=7A138662G.f. satisfies A(x) such that: -1 = Sum_{n=-oo..+oo} (-1)^n * x^(2*n+1) * (1 + x^n)^(n+1) * A(x)^n.at n=11A380557